On Mon, 2018-05-28 at 12:57 +0200, Simone Tiraboschi wrote:

From same time frame, vdsm.log. Can this be related?

2018-05-28 11:07:34,481+0200 INFO  (jsonrpc/1) [api.host] START getAllVmStats() from=::1,45816 (api:46)

2018-05-28 11:07:34,482+0200 INFO  (jsonrpc/1) [api.host] FINISH getAllVmStats return={'status': {'message': 'Done', 'code': 0}, 'statsList': (suppressed)} from=::1,45816 (api:52)

2018-05-28 11:07:34,483+0200 INFO  (jsonrpc/1) [jsonrpc.JsonRpcServer] RPC call Host.getAllVmStats succeeded in 0.01 seconds (__init__:573)

2018-05-28 11:07:34,489+0200 INFO  (jsonrpc/2) [api.host] START getAllVmIoTunePolicies() from=::1,45816 (api:46)

2018-05-28 11:07:34,489+0200 INFO  (jsonrpc/2) [api.host] FINISH getAllVmIoTunePolicies return={'status': {'message': 'Done', 'code': 0}, 'io_tune_policies_dict': {'405f8ec0-03f9-43cb-a7e1-343a4c30453f': {'policy': [], 'current_values': []}}} from=::1,45816 (api:52)

2018-05-28 11:07:34,490+0200 INFO  (jsonrpc/2) [jsonrpc.JsonRpcServer] RPC call Host.getAllVmIoTunePolicies succeeded in 0.00 seconds (__init__:573)

2018-05-28 11:07:35,555+0200 INFO  (vmrecovery) [vdsm.api] START getConnectedStoragePoolsList(options=None) from=internal, task_id=6f517c47-a9f3-4913-bf9d-661355262c38 (api:46)

2018-05-28 11:07:35,555+0200 INFO  (vmrecovery) [vdsm.api] FINISH getConnectedStoragePoolsList return={'poollist': []} from=internal, task_id=6f517c47-a9f3-4913-bf9d-661355262c38 (api:52)

2018-05-28 11:07:35,555+0200 INFO  (vmrecovery) [vds] recovery: waiting for storage pool to go up (clientIF:707)

2018-05-28 11:07:38,982+0200 WARN  (vdsm.Scheduler) [Executor] Worker blocked: <Worker name=jsonrpc/7 running <Task <JsonRpcTask {'params': {}, 'jsonrpc': '2.0', 'method': u'Host.getCapabilities', 'id': u'b5990e16-65c9-4137-aeed-271c415f9df5'} at 0x7eff50088910> timeout=60, duration=180 at 0x2fc3650> task#=1 at 0x3590710>, traceback:

File: "/usr/lib64/python2.7/threading.py", line 785, in __bootstrap

  self.__bootstrap_inner()

File: "/usr/lib64/python2.7/threading.py", line 812, in __bootstrap_inner

  self.run()

File: "/usr/lib64/python2.7/threading.py", line 765, in run

  self.__target(*self.__args, **self.__kwargs)

File: "/usr/lib/python2.7/site-packages/vdsm/common/concurrent.py", line 194, in run

  ret = func(*args, **kwargs)

File: "/usr/lib/python2.7/site-packages/vdsm/executor.py", line 301, in _run

  self._execute_task()

File: "/usr/lib/python2.7/site-packages/vdsm/executor.py", line 315, in _execute_task

  task()

File: "/usr/lib/python2.7/site-packages/vdsm/executor.py", line 391, in __call__

  self._callable()

File: "/usr/lib/python2.7/site-packages/yajsonrpc/__init__.py", line 523, in __call__

  self._handler(self._ctx, self._req)

File: "/usr/lib/python2.7/site-packages/yajsonrpc/__init__.py", line 566, in _serveRequest

  response = self._handle_request(req, ctx)

File: "/usr/lib/python2.7/site-packages/yajsonrpc/__init__.py", line 606, in _handle_request

  res = method(**params)

File: "/usr/lib/python2.7/site-packages/vdsm/rpc/Bridge.py", line 201, in _dynamicMethod

  result = fn(*methodArgs)

File: "<string>", line 2, in getCapabilities

File: "/usr/lib/python2.7/site-packages/vdsm/common/api.py", line 48, in method

  ret = func(*args, **kwargs)

File: "/usr/lib/python2.7/site-packages/vdsm/API.py", line 1339, in getCapabilities

  c = caps.get()

File: "/usr/lib/python2.7/site-packages/vdsm/host/caps.py", line 201, in get

  liveSnapSupported = _getLiveSnapshotSupport(cpuarch.effective())

File: "/usr/lib/python2.7/site-packages/vdsm/common/cache.py", line 41, in __call__

  value = self.func(*args)

File: "/usr/lib/python2.7/site-packages/vdsm/host/caps.py", line 92, in _getLiveSnapshotSupport

  capabilities = _getCapsXMLStr()

File: "/usr/lib/python2.7/site-packages/vdsm/common/cache.py", line 41, in __call__

  value = self.func(*args)

File: "/usr/lib/python2.7/site-packages/vdsm/host/caps.py", line 60, in _getCapsXMLStr

  return _getFreshCapsXMLStr()

File: "/usr/lib/python2.7/site-packages/vdsm/host/caps.py", line 55, in _getFreshCapsXMLStr

  return libvirtconnection.get().getCapabilities()

File: "/usr/lib/python2.7/site-packages/vdsm/common/libvirtconnection.py", line 130, in wrapper

  ret = f(*args, **kwargs)

File: "/usr/lib/python2.7/site-packages/vdsm/common/function.py", line 92, in wrapper

  return func(inst, *args, **kwargs)

File: "/usr/lib64/python2.7/site-packages/libvirt.py", line 3669, in getCapabilities

  ret = libvirtmod.virConnectGetCapabilities(self._o) (executor:363)

2018-05-28 11:07:40,561+0200 INFO  (vmrecovery) [vdsm.api] START getConnectedStoragePoolsList(options=None) from=internal, task_id=2ef7c0a3-4cf9-436e-ad6b-ee04e2a0cf3a (api:46)

2018-05-28 11:07:40,561+0200 INFO  (vmrecovery) [vdsm.api] FINISH getConnectedStoragePoolsList return={'poollist': []} from=internal, task_id=2ef7c0a3-4cf9-436e-ad6b-ee04e2a0cf3a (api:52)

2018-05-28 11:07:40,561+0200 INFO  (vmrecovery) [vds] recovery: waiting for storage pool to go up (clientIF:707)

supervdsm hase nothing at 11:07:39.